Stability analysis of stratified radiative non-Newtonian Casson nanofluid flow past on stretching/shrinking sheet using two-phase model


Lanjwani H.B. Kamboh S.A. Anwar M.I. Alahmadi H. Ambreen T. Shehzad S.A.
October 2023Elsevier B.V.

Chinese Journal of Physics
2023#85752 - 775 pp.

An incompressible steady-state 2D (two-dimensional) stratified boundary-driven Casson nanofluid flowing over the stretched/shrinked surface under buoyancy, magnetic and radiative effects is considered. The two-phase Buongiorno model is adopted to express the behavior of nanomaterial with the stratified boundary conditions. A system of nonlinear ODEs (ordinary differential equations) is extracted from the modeled PDEs (partial differential equations) by using the similarity transformations. The shooting scheme is adapted to execute the obtained equations numerically. The achieved results indicate the duality in the solutions at various ranges of the specified constraints like as suction, shrinking or stretching. The stability analysis is done to check the feasibility of solutions by BVP4c in Matlab. It is achieved that an increment in suction constraint enhanced the skin friction for shrinking case. The temperature curves are decreased with an improvement in Casson, suction, buoyancy and stratification parameters. The nanoparticles concentration reduced against the higher Casson, Brownian motion, suction, thermal and solutal stratification parameters. On other hand, an increment in the thermophoresis increases nanoparticles concentration profile.

Buongiornos model , Casson nanofluid , Radiation , Shooting technique , Stratified flow

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Department of Mathematics, University of Sindh, Jamshoro, Pakistan
Department of Mathematics and Statistics, QUEST, Sindh, Nawabshah, Pakistan
Department of Mathematics, School of Sciences and Humanities, Nazarbayev University, Astana, Kazakhstan
Higher Education Department (HED), Lahore, Pakistan
Department of Mathematics, College of Science, Jouf University, PO Box 2014, Sakaka, Saudi Arabia
Department of Electronic and Electrical Engineering, University of Sheffield, Sheffield, United Kingdom
Department of Mathematics, COMSATS University Islamabad, Sahiwal, 57000, Pakistan

Department of Mathematics
Department of Mathematics and Statistics
Department of Mathematics
Higher Education Department (HED)
Department of Mathematics
Department of Electronic and Electrical Engineering
Department of Mathematics

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